Home / 212,239.31-292,888.71-116,743.95

Finding the Fourth Proportional to 212,239.31, 292,888.71 and 116,743.95

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Solution

The fourth proportional to 212,239.31, 292,888.71 and 116,743.95 is: 161,105.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    212,239.31 : 292,888.71 = 116,743.95 : x
  2. Step 2: Convert to fraction form
    212,239.31/292,888.71 = 116,743.95/x
  3. Step 3: Cross multiply
    212,239.31x = 292,888.71 × 116,743.95
  4. Step 4: Simplify right side
    212,239.31x = 34,192,984,915.80
  5. Step 5: Solve for x
    x = 34,192,984,915.80/212,239.31
  6. Step 6: Final answer
    x = 161,105.81

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.